import os

num = 15

#folderName = "《机器学习实战》笔记（%s）："
folderName = "c%s"

for i in range(15):
    i = i + 1
    
    tempStr = ""

    if i < 10 :
        tempStr = ("0" + str(i))
    else:
        tempStr = str(i)

    os.makedirs("%s"%(folderName%tempStr))
#    open("%s/README.md"%(folderName%tempStr),"w").close()


